TypeScript-Call-Graph VS spekt8

Specifically for TypeScript I created a CLI to visualize the call graph

https://github.com/whyboris/TypeScript-Call-Graph

Works for _functions_ not classes. I'm unsure how useful this tool is, but I suspect it might be helpful in some codebases.

A slightly-related project I created: TypeScript Call Graph - generate/visualize a call graph of your TypeScript files in a variety of ways. MIT open source ;)

https://github.com/whyboris/TypeScript-Call-Graph

Mildly-related project I have: generate call graph for typescript files

https://github.com/whyboris/TypeScript-Call-Graph

The TypeScript language service is really neat -- you can use it to parse through .ts files so you can, for example, see which functions call which functions.

In my experience it tends not to be done because there's an inevitable drift between the system as it actually operates and the relevant visualizations and diagrams. I have seen them used as a starting off point at times, although that's also been infrequent.

There is however a growing movement of being able to visualize how a system is functioning at various levels. XState/Statecharts are a good example (https://xstate.js.org/viz/). Another example in the Ops space would be https://github.com/spekt8/spekt8 for K8S. I work at Grafana and we're more or less trying to expose these things in ways that make sense. Our bread and butter is timeseries data but we're adding more in that regard (it's possible to build node graphs from running systems).